what do I have? Q&A › Category: Questions › what do I have? 0 Vote Up Vote Down Anonymous asked 8 years ago when I sweat my armpits always get this rash and it itches but I can't scratch it cause my armpit literally burst open into cracks and it dries and when I rub on it dust comes of well my skin. they have a really bad Oder 1 Answers 0 Vote Up Vote Down drarmpit answered 8 years ago Hey, this sounds like an infection or an auto-immune disease. Consult a doctor or dermatologist. Please login or Register to submit your answer Username or Email Address Password Remember Me